Page 782 of 4555
EC-378
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DTC P1564 ASCD STEERING SWITCH
DTC Confirmation ProcedureEBS01FA7
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Wait at least 10 seconds.
4. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
5. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
6. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 sec-
onds.
7. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
8. If DTC is detected, go to EC-383, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Page 783 of 4555
DTC P1564 ASCD STEERING SWITCH
EC-379
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Wiring DiagramEBS01FF6
LHD MODELS
TBWB0463E
Page 784 of 4555
EC-380
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DTC P1564 ASCD STEERING SWITCH
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
57 B Sensor ground[Engine is running]
Warm-up condition
Idle speedApproximately 0V
99 W/R ASCD steering switch[Ignition switch: ON]
ASCD steering switch: OFFApproximately 4V
[Ignition switch: ON]
MAIN switch: PressedApproximately 0V
[Ignition switch: ON]
CANCEL switch: PressedApproximately 1V
[Ignition switch: ON]
RESUME/ACCELERATE switch: PressedApproximately 3V
[Ignition switch: ON]
SET/COAST switch: PressedApproximately 2V
Page 785 of 4555
DTC P1564 ASCD STEERING SWITCH
EC-381
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RHD MODELS
TBWB0464E
Page 786 of 4555
EC-382
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DTC P1564 ASCD STEERING SWITCH
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
57 B Sensor ground[Engine is running]
Warm-up condition
Idle speedApproximately 0V
99 W/R ASCD steering switch[Ignition switch: ON]
ASCD steering switch: OFFApproximately 4V
[Ignition switch: ON]
MAIN switch: PressedApproximately 0V
[Ignition switch: ON]
CANCEL switch: PressedApproximately 1V
[Ignition switch: ON]
RESUME/ACCELERATE switch: PressedApproximately 3V
[Ignition switch: ON]
SET/COAST switch: PressedApproximately 2V
Page 787 of 4555
DTC P1564 ASCD STEERING SWITCH
EC-383
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Diagnostic ProcedureEBS01FA9
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer to EC-132, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
PBIB2021E
Page 788 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-384
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DTC P1564 ASCD STEERING SWITCH
2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW NISSAN X-TRAIL 2005 Service Repair Manual EC-384
[QR (WITH EURO-OBD)]
DTC P1564 ASCD STEERING SWITCH
2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW](/manual-img/5/57403/w960_57403-787.png)
EC-384
[QR (WITH EURO-OBD)]
DTC P1564 ASCD STEERING SWITCH
2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW” and “CANCEL SW” in “DATA MONITOR” mode with
CONSULT-II.
3. Check each item indication under the following conditions.
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 99 and ground with press-
ing each button.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3. CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect ASCD steering switch (1) harness connector M205.
4. Check harness continuity between ASCD steering switch termi-
nal 2 and ECM terminal 57. Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
Switch Monitor item Condition Indication
MAIN switch MAIN SWPressed ON
Released OFF
CANCEL switch CANCEL SWPressed ON
Released OFF
RESUME/ACCEL-
ERARE switchRESUME/ACC SWPressed ON
Released OFF
SET/COAST switch SET SWPressed ON
Released OFF
SEC006D
Switch Condition Voltage [V]
MAIN switchPressed Approx. 0
Released Approx. 4
CANCEL switchPressed Approx. 1
Released Approx. 4
RESUME/ACCELERATE
switchPressed Approx. 3
Released Approx. 4
SET/COAST switchPressed Approx. 2
Released Approx. 4
PBIB0311E
Continuity should exist.
PBIB2879E
Page 789 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual DTC P1564 ASCD STEERING SWITCH
EC-385
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4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M202, M206
Harness connectors M61, F41
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EC-385
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4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M202, M206
Harness connectors M61, F41
C](/manual-img/5/57403/w960_57403-788.png)
DTC P1564 ASCD STEERING SWITCH
EC-385
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4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M202, M206
Harness connectors M61, F41
Combination switch (spiral cable)
Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 99 and ASCD steering switch terminal 1.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M202, M206
Combination switch (spiral cable)
Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK ASCD STEERING SWITCH
Refer to EC-383, "
Diagnostic Procedure" .
OK or NG
OK >> GO TO 8.
NG >> Replace ASCD steering switch.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-124, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.